package com.zzyl.nursing.service.impl;

import java.util.*;

import cn.hutool.core.collection.ListUtil;
import com.zzyl.common.constant.Constants;
import com.zzyl.common.core.domain.model.LoginUser;
import com.zzyl.common.utils.DateUtils;
import com.zzyl.framework.web.service.TokenService;
import com.zzyl.nursing.dto.UserLoginRequestDto;
import com.zzyl.nursing.service.WechatService;
import com.zzyl.nursing.vo.LoginVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import com.zzyl.nursing.mapper.FamilyMemberMapper;
import com.zzyl.nursing.domain.FamilyMember;
import com.zzyl.nursing.service.IFamilyMemberService;
import com.baomidou.mybatisplus.extension.service.impl.ServiceImpl;

/**
 * 老人家属Service业务层处理
 * 
 * @author laoYe
 * @date 2025-10-27
 */
@Service
public class FamilyMemberServiceImpl extends ServiceImpl<FamilyMemberMapper, FamilyMember> implements IFamilyMemberService {
    @Autowired
    private FamilyMemberMapper familyMemberMapper;

    @Autowired
    private WechatService wechatService;

    @Autowired
    private TokenService tokenService;


    private static List<String> DEFAULT_NICKNAME_PREFIX = List.of(
            "生活更美好",
            "大桔大利",
            "日富一日",
            "好柿开花",
            "柿柿如意",
            "一椰暴富",
            "大柚所为",
            "杨梅吐气",
            "天生荔枝"
    );

    /**
     * 查询老人家属
     * 
     * @param id 老人家属主键
     * @return 老人家属
     */
    @Override
    public FamilyMember selectFamilyMemberById(Long id) {
        return getById(id);
    }

    /**
     * 查询老人家属列表
     * 
     * @param familyMember 老人家属
     * @return 老人家属
     */
    @Override
    public List<FamilyMember> selectFamilyMemberList(FamilyMember familyMember) {
        return familyMemberMapper.selectFamilyMemberList(familyMember);
    }

    /**
     * 新增老人家属
     * 
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int insertFamilyMember(FamilyMember familyMember) {
        return save(familyMember) ? 1 : 0;
    }

    /**
     * 修改老人家属
     * 
     * @param familyMember 老人家属
     * @return 结果
     */
    @Override
    public int updateFamilyMember(FamilyMember familyMember) {
        return updateById(familyMember) ? 1 : 0;
    }

    /**
     * 批量删除老人家属
     * 
     * @param ids 需要删除的老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberByIds(Long[] ids) {
        return removeByIds(Arrays.asList(ids)) ? 1 : 0;
    }

    /**
     * 删除老人家属信息
     * 
     * @param id 老人家属主键
     * @return 结果
     */
    @Override
    public int deleteFamilyMemberById(Long id) {
        return removeById(id) ? 1 : 0;
    }


    /**
     * 小程序登录
     * @param userLoginRequestDto
     * @return
     */
    @Override
    public LoginVo login(UserLoginRequestDto userLoginRequestDto) {
        LoginVo vo = new LoginVo();
        //1、 获取openid
        String openId = wechatService.getOpenId(userLoginRequestDto.getCode());
        //2、 获取用户手机号码
        String phone = wechatService.getPhoneNumber(userLoginRequestDto.getPhoneCode());
        //、 通过openid查询用户信息
        FamilyMember memberInDB = lambdaQuery().eq(FamilyMember::getOpenId, openId).one();
        FamilyMember newFamilyMember = new FamilyMember();
        newFamilyMember.setPhone(phone);
        //4、 判断用户是否为空
        if (memberInDB != null) {
            vo.setNickName(memberInDB.getName());
            //4.1 存在
            //手机号码是否变更
            if (!memberInDB.getPhone().equals( phone)){
                newFamilyMember.setId(memberInDB.getId());
                updateById(newFamilyMember);
            }
        } else {
            //4.2 不存在
            //全部新增
            newFamilyMember.setOpenId(openId);
            //昵称
            // 随机组装昵称，词组+手机号后四位
            String nickName = generateNickName(phone);
            newFamilyMember.setName(nickName);
            save(newFamilyMember);
            vo.setNickName(nickName);
        }

        //5、 把用户id和nickname封装成token返回
        Map<String, Object> claims = new HashMap<>();
        claims.put("userId", newFamilyMember.getId());
        claims.put("nickName", vo.getNickName());
        String token = tokenService.createToken(claims);
        vo.setToken(token);
        return vo;

    }

    /**
     * 生成随机昵称
     * @param phone
     * @return
     */
    private String generateNickName(String phone) {
        Random random = new Random();
        int prefixIndex = random.nextInt(DEFAULT_NICKNAME_PREFIX.size());
        String prefix = DEFAULT_NICKNAME_PREFIX.get(prefixIndex);
        // 手机号后四位
        String suffix = phone.substring(phone.length() - 4);
        return prefix + suffix;
    }
}
